Home / 98,038,582.32-135,293,243.64-53,985,476.16

Finding the Fourth Proportional to 98,038,582.32, 135,293,243.64 and 53,985,476.16

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Solution

The fourth proportional to 98,038,582.32, 135,293,243.64 and 53,985,476.16 is: 74,499,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,038,582.32 : 135,293,243.64 = 53,985,476.16 : x
  2. Step 2: Convert to fraction form
    98,038,582.32/135,293,243.64 = 53,985,476.16/x
  3. Step 3: Cross multiply
    98,038,582.32x = 135,293,243.64 × 53,985,476.16
  4. Step 4: Simplify right side
    98,038,582.32x = 7,303,870,179,136,290
  5. Step 5: Solve for x
    x = 7,303,870,179,136,290/98,038,582.32
  6. Step 6: Final answer
    x = 74,499,957.12

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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.