Home / 158,030,909,345.12-218,082,816,296.87-85,772,989,089.23

Finding the Fourth Proportional to 158,030,909,345.12, 218,082,816,296.87 and 85,772,989,089.23

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Solution

The fourth proportional to 158,030,909,345.12, 218,082,816,296.87 and 85,772,989,089.23 is: 118,366,812,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,030,909,345.12 : 218,082,816,296.87 = 85,772,989,089.23 : x
  2. Step 2: Convert to fraction form
    158,030,909,345.12/218,082,816,296.87 = 85,772,989,089.23/x
  3. Step 3: Cross multiply
    158,030,909,345.12x = 218,082,816,296.87 × 85,772,989,089.23
  4. Step 4: Simplify right side
    158,030,909,345.12x = 18,705,615,022,779,980,054,528
  5. Step 5: Solve for x
    x = 18,705,615,022,779,980,054,528/158,030,909,345.12
  6. Step 6: Final answer
    x = 118,366,812,545.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.