Home / 453,074,581.53-679,714,124.32-137,968,798.65

Finding the Fourth Proportional to 453,074,581.53, 679,714,124.32 and 137,968,798.65

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Solution

The fourth proportional to 453,074,581.53, 679,714,124.32 and 137,968,798.65 is: 206,984,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,074,581.53 : 679,714,124.32 = 137,968,798.65 : x
  2. Step 2: Convert to fraction form
    453,074,581.53/679,714,124.32 = 137,968,798.65/x
  3. Step 3: Cross multiply
    453,074,581.53x = 679,714,124.32 × 137,968,798.65
  4. Step 4: Simplify right side
    453,074,581.53x = 93,779,341,155,490,688
  5. Step 5: Solve for x
    x = 93,779,341,155,490,688/453,074,581.53
  6. Step 6: Final answer
    x = 206,984,335.42

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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.