Home / 288,589,701.93-432,878,488.07-70,241,262.18

Finding the Fourth Proportional to 288,589,701.93, 432,878,488.07 and 70,241,262.18

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Solution

The fourth proportional to 288,589,701.93, 432,878,488.07 and 70,241,262.18 is: 105,360,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,589,701.93 : 432,878,488.07 = 70,241,262.18 : x
  2. Step 2: Convert to fraction form
    288,589,701.93/432,878,488.07 = 70,241,262.18/x
  3. Step 3: Cross multiply
    288,589,701.93x = 432,878,488.07 × 70,241,262.18
  4. Step 4: Simplify right side
    288,589,701.93x = 30,405,931,370,632,368
  5. Step 5: Solve for x
    x = 30,405,931,370,632,368/288,589,701.93
  6. Step 6: Final answer
    x = 105,360,417.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.